| Patent application number | Description | Published |
|---|
| 20080199802 | TONER PROCESS - The present disclosure relates to a process for latex preparation comprising a first heating of a latomer mixture comprising at least one free radical polymerizable monomer to low conversion and then adding at least one alkylene anhydride; a second heating of the latomer mixture to low conversion; a third heating of the latomer mixture to form polymeric particles; and combining at least one amine with the polymeric particles. | 08-21-2008 |
| 20080210124 | CORE-SHELL POLYMER PARTICLES - Disclosed herein are nano-sized particles having a core portion comprising a crystalline polymer and a shell portion comprising a polymer derived from at least one monomer not miscible with the crystalline polymer of the shell portion. | 09-04-2008 |
| 20080213687 | TONER PROCESS - The present disclosure relates to a toner process comprising providing a resin miniemulsion comprising polymeric particles comprising at least one free radical polymerizable monomer compound and at least one alkylene anhydride; blending the miniemulsion with at least one colorant, at least one amine, and optionally at least one wax; heating the resulting mixture below or about equal to the glass transition temperature (Tg) of the resin emulsion; and heating the resulting mixture above or about equal to the glass transition temperature (Tg) of the resin emulsion. | 09-04-2008 |
| 20080220359 | TONER PROCESSES - Disclosed herein are toner particles generated by emulsion/aggregation processes. The processes are conducted under conditions that shorten the time for coalescence and post-formation washing, thereby increasing efficiency of the processes as compared to conventional processes. | 09-11-2008 |
| 20080254381 | CHEMICAL TONER WITH COVALENTLY BONDED RELEASE AGENT - A chemical toner composition including a polymer polymerized from starting ingredients comprising a resin monomer and a release agent monomer. | 10-16-2008 |
| 20080318145 | EXTERNAL SURFACE ADDITIVE COMPOSITIONS - A toner having at least one binder, at least one colorant and external additives. The external additives include at least one fluoropolymer. An electrophotographic image forming machine and method includes the toner with at least one fluoropolymer. | 12-25-2008 |
| 20090111040 | RESIN-COATED PEARLESCENT OR METALLIC PIGMENT FOR SPECIAL EFFECT IMAGES - A pigment particle coated with at least one of a resin and a charge control surface additive, wherein the pigment particle is a pearlescent or metallic pigment. The pigment adds pearlescent effects and is a size and charge as to be used as a toner material in electrostatographic image formation. | 04-30-2009 |
| 20090130586 | Toner Composition and Method - A method for forming toner particles includes polymerizing monomers to form a latex comprising polymer particles; combining the latex with an unsaturated curable resin to form aggregates containing the polymer particles and the unsaturated curable resin particles; and heating the aggregates to form coalesced particles. A toner composition that may be formed by the process described herein contains toner particles containing: (i) a polymer comprising a photoinitiator, (ii) an unsaturated curable resin and, (iii) a colorant. | 05-21-2009 |
| 20090142692 | LOW MOLECULAR WEIGHT LATEX AND TONER COMPOSITIONS COMPRISING THE SAME - Provided are a latex process and a toner process, both of which include the preparation of a latex having weight average molecular weight of from about 12×10 | 06-04-2009 |
| 20090220880 | GRAFTING FUNCTIONALIZED PEARLESCENT OR METALLIC PIGMENT ONTO POLYESTER POLYMERS FOR SPECIAL EFFECT IMAGES - Pigment particles with at least one metal oxide surface additive, wherein the at least one metal oxide surface additive is a metal oxide particle covalently bonded with at least one polycondensation polymer, wherein the pigment particle is a pearlescent or metallic pigment. | 09-03-2009 |
| 20090263737 | IMAGING MEMBER AND METHODS OF FORMING THE SAME - The presently disclosed embodiments are directed to an imaging member having an outermost layer formulation that includes wax particles which creates a rough surface morphology for the layer and imparts increased scratch resistance, reduced torque, and improved cleaning performance to the layer. In embodiments, the outermost layer is an overcoat layer used for an improved imaging member having a substrate, a charge transport layer, and an overcoat positioned on the charge transport layer. | 10-22-2009 |
| 20100053643 | METHOD AND APPARATUS FOR PRINTING - Aspects of the disclosure provide a printing method that can utilize a lightly pigmented toner along with a darkly pigmented toner to improve the image quality. The method can include receiving a dataset corresponding to a printing of a printing system using a darkly pigmented toner. The printing system may have an undesirable optical density printing range for the darkly pigmented toner. Further, the method can include converting the dataset to a first dataset corresponding to a first printing of the printing system using the darkly pigmented toner, and a second dataset corresponding to a second printing of the printing system using a lightly pigmented toner. The first dataset can avoid the undesirable optical density printing range for the darkly pigmented toner, and a combination of the first printing and the second printing providing a substantially same printed optical density corresponding to the received dataset. | 03-04-2010 |
| 20100092215 | PRINTING SYSTEM WITH TONER BLEND - An improved electrostatic printing method includes printing a first marking material, such as a fully colorized toner, and also printing a second marking material on the same area of the print substrate. The second marking material is a mixture of two toners, where at least one of the two toners has a lower color strength than the first marking material. The second marking material has the same hue as the first marking material, and the ratio of toners in the mixture is such that the second marking material has a color strength matching that of an undesirable optical density printing rage of the first marking material. | 04-15-2010 |
| 20100092886 | TONER COMPOSITIONS - The present disclosure provides processes for producing toners by emulsion aggregation where the resulting toner particles have high pigment loadings and desired circularity. The methods include adding a metal, in embodiments a metal salt, at the beginning of coalescence, which surprisingly speeds the coalescence process and produces toner particles having a desired size and circularity for use in electrophotographic imaging systems. | 04-15-2010 |
| 20100173239 | LOW MELT COLOR TONERS WITH FLUORESCENCE AGENTS - A low melt or ultra low melt toner includes at least one amorphous polyester of an alkoxylated bisphenol based polyester, a crystalline polyester derived from the reaction of an aliphatic dicarboxylic acid or aromatic dicarboxylic acid with an aliphatic diol, at least one colorant and at least one fluorescence agent. Methods of authentication of the toner, of authentication of documents formed from the toner, of embedding information in documents, and the like are also set forth. | 07-08-2010 |
| 20100285403 | CURABLE TONER COMPOSITIONS AND PROCESSES - Processes for producing emulsion aggregation toners are provided. In embodiments, methods of the present disclosure may be utilized to produce toners suitable for low melt applications, including use in flexible packaging applications, where low pile height is desired for low cost and flexibility. In embodiments, the EA toners may be prepared by optimizing the particle size of the emulsion, the choice of and amount of aggregating agent utilized, and the solids content of the emulsion. | 11-11-2010 |
| 20100330487 | TONER COMPOSITIONS - Coated phosphorescent pigments are provided which may be utilized in toner compositions. In embodiments, the phosphorescent pigment may be coated by a powder coating process. The large pigment particles may be dry blended with dried resin latex particles, thereby coating the pigment surface, followed by heating and shearing in a rotary kiln or extruder to melt the toner resin and fuse it to the pigment surface. The resulting coated particles may be utilized with other toners, in embodiments color toners, to provide phosphorescent images. | 12-30-2010 |
| 20110033798 | PHOTORECEPTOR OUTER LAYER AND METHODS OF MAKING THE SAME - The presently disclosed embodiments relate generally to layers that are useful in imaging apparatus members and components, for use in electrophotographic, including digital, apparatuses. Embodiments pertain to an improved electrophotographic imaging member comprising a very thin outer layer on the imaging member surface, where the outer layer comprises healing materials that act as a barrier against moisture and/or surface contaminants. The improved imaging member exhibits improved xerographic performance, such as reduced wear and deletions in high humidity conditions. Embodiments also pertain to methods for making the improved electrophotographic imaging member. | 02-10-2011 |
| 20110052882 | TONER HAVING TITANIA AND PROCESSES THEREOF - The present disclosure provides white toner compositions and processes for making same. In embodiments, a desirable white toner may be produced without having to resort to excessive pigment loading, having desirable gloss characteristics. | 03-03-2011 |
| 20110065038 | CURABLE TONER COMPOSITIONS AND PROCESSES - Processes for producing emulsion aggregation toners are provided. In embodiments, methods of the present disclosure may be utilized to produce toners suitable for low melt applications, including use in flexible packaging applications, where low pile height is desired for low cost and flexibility. In embodiments, the EA toners may include small particles having a shell with a high amount of resin, which optimizes the charging characteristics of the toner. | 03-17-2011 |
| 20110111334 | LIGHT SHOCK RESISTANT OVERCOAT LAYER - Embodiments pertain to a novel imaging member, namely, an imaging member or photoreceptor comprising an overcoat layer which comprises light-absorbing material that improves print quality. The light-absorbing material reduces the intrinsic light shock suffered by conventional overcoat layers without negatively impacting electrical properties of the overcoat layer. | 05-12-2011 |
| 20110136056 | TONER COMPOSITIONS - The present disclosure relates to a toner including a core comprising at least one amorphous resin, at least one crystalline resin and one or more optional ingredients such as optional colorants, optional waxes, gels, and combinations thereof. The toner also includes a shell having an environmentally friendly charge control agent co-emulsified with at least one amorphous shell resin. | 06-09-2011 |
| 20110143274 | TONER PROCESSES - The present disclosure provides toners and processes for making said toners. In embodiments, the toners are invisible when viewed under natural light, but possess a UV emitter that renders them visible when exposed to UV light of a specific wavelength. By selecting the appropriate UV emitter and utilizing an ionic crosslinker, the gloss of the toner may be tailored to match the gloss of any substrate, such as paper, to which the toner is to be applied, thereby further enhancing its invisibility under visible light. | 06-16-2011 |
| 20110143278 | TONER PROCESSES - The present disclosure provides toners and processes for making said toners. In embodiments, the toners are invisible when viewed under natural light, but possess a fluorescent agent that renders them visible when exposed to UV light of a specific wavelength. In other embodiments the toners have a color under natural light, and a different color when exposed to UV light. | 06-16-2011 |
